Toyota RAV4 (XA40) 2013-2018 Service Manual: Short in motor circuit
Description
The power steering ecu supplies current to the power steering motor through
this circuit.
Inspection procedure
- Reconfirm dtc
- Check for dtc.
Ok: dtc is not output.
Replace power steering ecu
Torque sensor
Description
The torque sensor converts the rotation torque input from the steering wheel
into electric signals and
sends them to the power steering ecu.
Wiring diagram
Inspection pro ...
Motor terminal voltage malfunction
Description
The power steering ecu supplies the current to the power steering motor
through the motor circuit.
Wiring diagram
Inspection procedure
Read value of intelligent tester ( ...
Other materials:
Ecu malfunction
Description
Inspection procedure
If the power steering ecu detects these dtcs, it will shut off the motor
relay circuit (built into the power
steering ecu) and stop power assist. However, power assist continues if dtc
c1533 is output.
Reconfirm dtc
Check for dtc.
Ok:
dtc i ...
Pressure sensor circuit
Description
This dtc is output when the refrigerant pressure is either extremely low
(0.19 Mpa [2.0 Kgf/cm2, 28 psi]
or less) or extremely high (3.14 Mpa [32.0 Kgf/cm2, 455 psi] or more). The air
conditioning pressure
sensor, which is installed on the pipe of the high pressure side, detec ...
Brk relay
On-vehicle inspection
Inspect brk relay
Remove the brk relay from the engine room no. 1
Relay block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
